/* -*- coding: utf-8 -*-
 *
 * 648.cc: No.648 　お　や　す　み　 - yukicoder
 */

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<iostream>
#include<string>
#include<vector>
#include<map>
#include<set>
#include<stack>
#include<list>
#include<queue>
#include<deque>
#include<algorithm>
#include<numeric>
#include<utility>
#include<complex>
#include<functional>
 
using namespace std;

/* constant */

/* typedef */

typedef long long ll;

/* global variables */

/* subroutines */

/* main */

// x(x+1)/2 = n -> x(x+1)=2n

int main() {
  ll n;
  scanf("%lld", &n);

  ll n2 = n * 2;

  ll x0 = 1, x1 = 2000000000;
  while (x0 + 1 < x1) {
    ll x = (x0 + x1) / 2;
    if (x * (x + 1) <= n2) x0 = x;
    else x1 = x;
  }
  //printf("x0=%lld\n", x0);

  if (x0 * (x0 + 1) == n2) printf("YES\n%lld\n", x0);
  else puts("NO");
  return 0;
}